[Tagging] man_made=tunnel

Janko Mihelić janjko at gmail.com
Wed Jun 14 21:55:35 UTC 2017

sri, 14. lip 2017. u 17:02 Martin Koppenhoefer <dieterdreist at gmail.com>
napisao je:

> what do you mean with "both"? Is this "all with the same name"? I agree
> with this, tunnels often come as sets of tubes. How would we deal with
> cases with several tubes, where the individual tubes have individual names?
> Is the idea to draw an area (or multipoligon) for the tube/s? Or should
> this be some kind of relation (with the ways in the tunnel as members)?

Now that I think of it, I wouldn't be opposed to mapping tunnels as ways in
a relation. Take all road ways that are in the tunnel, and put them in a
tunnel relation. It's easy, and you can't see the tunnel outlines on a
satellite image anyway. In that case multipolygon relation doesn't make
sense. A proposal for this already exists:
And there are 435 tunnels tagged like this. As opposed to 172 tunnels
tagged with man_made=tunnel.

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